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CVE-2025-9491— Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Windows
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows存在安全漏洞，该漏洞源于处理.LNK文件时存在UI误导，可能导致远程代码执行。

AI Predicted 6.8 Difficulty: Moderate EPSS 68.86% · P99
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I. Basic Information for CVE-2025-9491

Vulnerability Information
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Vulnerability Title
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of .LNK files. Crafted data in an .LNK file can cause hazardous content in the file to be invisible to a user who inspects the file via the Windows-provided user interface. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-25373.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键信息的UI错误表达
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows存在安全漏洞，该漏洞源于处理.LNK文件时存在UI误导，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 11 Enterprise 23H2 22631.4169 x64 -

II. Public POCs for CVE-2025-9491

# POC Description Source Link Shenlong Link
1 None https://github.com/barbaraeivyu/CVE-2025-9491 POC Details
2 Proof-of-Concept of the CVE-2025-9491 using invisible characters in the arguments of a Windows shortcut file (.lnk) https://github.com/Amperclock/CVE-2025-9491_POC POC Details
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III. Intelligence Information for CVE-2025-9491

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IV. Related Vulnerabilities

Same product: Windows
Same vendor: Microsoft
Same weakness: CWE-451

V. Comments for CVE-2025-9491

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